申请人:Kawakami Masayuki
公开号:US20050226815A1
公开(公告)日:2005-10-13
A near infrared fluorescent contrast agent which is excellent in permeability in a living tissue and enables specific imaging of tumor and/or blood vessel, comprising a compound represented by formula (I) or a pharmaceutically acceptable salt thereof, wherein R
1
, R
2
, R
7
, and R
8
represent a C
1
-C
10
alkyl group or the like; R
3
, R
4
, R
5
, R
6
, R
9
, R
10
, R
11
, and R
12
represent a hydrogen atom, a C
1
-C
6
alkyl group, an aryl group or the like; X
1
and X
2
represent a C
1
-C
15
alkyl group or an aryl group and X
1
and X
2
in total have 0 to 4 carboxyl groups; m
1
, m
2
, and m
3
represents 0 or 1; L
1
to L
7
independently represent a methine group; M represents a hydrogen atom, a metal, or a quaternary ammonium salt; and n represents an integer of 1 to 7 necessary for neutralizing charge.
一种近红外荧光造影剂,在活体组织中具有良好的渗透性,可对肿瘤和/或血管进行特异性成像,该造影剂由式 (I) 所代表的化合物或其药学上可接受的盐组成,其中 R
1
, R
2
, R
7
和 R
8
代表一个 C
1
-C
10
烷基或类似物; R
3
, R
4
, R
5
, R
6
, R
9
, R
10
, R
11
和 R
12
代表氢原子、C
1
-C
6
烷基、芳基或类似基团; X
1
和 X
2
代表一个 C
1
-C
15
烷基或芳基,而 X
1
和 X
2
共有 0 至 4 个羧基;m
1
, m
2
和 m
3
代表 0 或 1;L
1
至 L
7
分别代表一个甲基;M 代表氢原子、金属或季铵盐;n 代表中和电荷所需的 1 至 7 的整数。